At my ex employer, every employee had an hourly rate in the system, I had thought of pulling the rates from the internal system into Microsoft teams, to display the cost of every meeting.
Depending on how it was implemented, might also be possible to unblind people’s salary. A big no-no for a big corporation where there might be laughable pay disparity.
"Meeting cost calculator" where the cost of the meeting would tick up in real time on the wall.
IIRC the idea was to have everyone tap their keyfob on a reader and it'd get everyone's hourly salary from a database and start counting the price by the minute.